1 | // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) |
2 | #undef _GNU_SOURCE |
3 | #include <string.h> |
4 | #include <stdio.h> |
5 | #include "str_error.h" |
6 | |
7 | /* make sure libbpf doesn't use kernel-only integer typedefs */ |
8 | #pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64 |
9 | |
10 | /* |
11 | * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl |
12 | * libc, while checking strerror_r() return to avoid having to check this in |
13 | * all places calling it. |
14 | */ |
15 | char *libbpf_strerror_r(int err, char *dst, int len) |
16 | { |
17 | int ret = strerror_r(err < 0 ? -err : err, dst, len); |
18 | if (ret) |
19 | snprintf(dst, len, "ERROR: strerror_r(%d)=%d" , err, ret); |
20 | return dst; |
21 | } |
22 | |